it is not only the scope and the horror and the courage of those educators who were on the speed of what happened. >> i went to president to newtown, and the grief was tangible. it was a physical thing you could feel. it is difficult to talk about even right now. in the last few weeks, there was an information, there was haunting details from the shooter who was clearly a young man suffering from sight mental health issues, and yet his mother, nancy lanza kept weapons in the house, took her son to the shooting range, she even planned to buy him a gun for christmas last year. she says, quote, you would want treatment for someone like that. he was isolated from everyone but his mother, and she did not have the understanding. i know it is sensitive because she is the one that he killed that day, but is that mother correct? should nancy lanza have stepped up more? >> nancy lanza probably needed help herself. and it certainly, as a parent, of four children, i can speak eternally about the challenges of parenting. not in this kind of situation, but easy to say in hindsight what she should have